Add 15/2 and 54/7
1st number: 7 1/2, 2nd number: 7 5/7
15/2 + 54/7 is 213/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
15/2 = 15 × 7/2 × 7 = 105/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
54/7 = 54 × 2/7 × 2 = 108/14 - Add the two like fractions:
105/14 + 108/14 = 105 + 108/14 = 213/14 - So, 15/2 + 54/7 = 213/14
In mixed form: 153/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+54/7 15/4+54/7 15/2+54/14 45/2+54/7 15/6+54/7 15/2+54/21 75/2+54/7 15/10+54/7 15/2+54/35 15/14+54/7 15/2+54/49